Pfeiffer Vacuum DUO 20 MC Manuel utilisateur

OPERATING INSTRUCTIONS

Translation of the Original

DUO 20 M | DUO 20 MC

Rotary vane pump

Dear Customer,

Thank you for choosing a Pfeiffer Vacuum product. Your new rotary vane pump is designed

to support you by its performance, its perfect operation and without interfering your individual

application. The name Pfeiffer Vacuum stands for high-quality vacuum technology, a

comprehensive and complete range of top-quality products and first-class service. With this

expertise, we have acquired a multitude of skills contributing to an efficient and secure

implementation of our product.

Knowing that our product must not interfere with your actual work, we are convinced that our

product offers you the solution that supports you in the effective and trouble-free execution of

your individual application.

Please read these operating instructions before putting your product into operation for the

first time. If you have any questions or suggestions, please feel free to contact info@pfeiffer-

vacuum.de.

Further operating instructions from Pfeiffer Vacuum can be found in the Download Center on

our website.

Disclaimer of liability

These operating instructions describe all models and variants of your product. Note that your

product may not be equipped with all features described in this document. Pfeiffer Vacuum

constantly adapts its products to the latest state of the art without prior notice. Please take

into account that online operating instructions can deviate from the printed operating

instructions supplied with your product.

Furthermore, Pfeiffer Vacuum assumes no responsibility or liability for damage resulting from

the use of the product that contradicts its proper use or is explicitly defined as foreseeable

misuse.

This document is the intellectual property of Pfeiffer Vacuum and all contents of this

document are protected by copyright. They may not be copied, altered, reproduced or

published without the prior written permission of Pfeiffer Vacuum.

We reserve the right to make changes to the technical data and information in this document.

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Table of contents

1 About this manual 7

1.1 Validity 7

1.1.1 Applicable documents 7

1.1.2 Variants 7

1.2 Target group 7

1.3 Conventions 7

1.3.1 Instructions in the text 7

1.3.2 Pictographs 7

1.3.3 Stickers on the product 8

1.3.4 Abbreviations 10

2 Safety 11

2.1 General safety information 11

2.2 Safety instructions 11

2.3 Safety precautions 15

2.4 Safety precautions for vacuum pumps with magnetic coupling 15

2.5 Limits of use of the product 15

2.6 Proper use 16

2.7 Foreseeable improper use 16

2.8 Personnel qualification 16

2.8.1 Ensuring personnel qualification 17

2.8.2 Personnel qualification for maintenance and repair 17

2.8.3 Advanced training with Pfeiffer Vacuum 17

3 Product description 18

3.1 Function 18

3.2 Operating principle 18

3.3 Product features 19

3.4 Identifying the product 19

3.5 Scope of delivery 19

4 Transportation and Storage 20

4.1 Transport vacuum pump 20

4.2 Storing the vacuum pump 20

5 Installation 22

5.1 Set up the vacuum pump 22

5.2 Connect the vacuum side 22

5.3 Connect the exhaust side 23

5.4 Fill operating fluid 24

5.5 Connect to mains power supply 25

5.5.1 Connecting single-phase motors 26

5.5.2 Connect three phase motor with 6-pin terminal board 27

5.5.3 Frequency inverter for vacuum pumps with 3-phase motor 28

5.5.4 Checking the direction of rotation 28

5.5.5 Connecting the PTC thermistor tripping unit 28

5.5.6 Setting the motor protection switch 29

6 Operation 31

6.1 Putting the vacuum pump into operation 31

6.2 Switch vacuum pump on 31

6.3 Operating the rotary vane pump with gas ballast 32

6.3.1 Gas ballast valve – standard version 32

6.3.2 Gas ballast valve with flushing gas connection 33

6.4 Refilling operating fluid 34

6.5 Switching off the vacuum pump 34

Table of contents

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7 Maintenance 36

7.1 Maintenance instructions 36

7.2 Maintenance instructions for magnetic coupling 37

7.3 Checklist for inspection and maintenance 37

7.4 Change the operating fluid 38

7.4.1 Determine degree of aging of P3 operating fluid 39

7.4.2 Change the operating fluid 39

7.4.3 Rinse and clean rotary vane vacuum pump 41

7.5 Remove and clean gas ballast filter 42

7.5.1 Remove gas ballast valve 42

7.5.2 Strip and clean gas ballast valve 43

7.5.3 Remove and clean silencer nozzle 43

7.5.4 Install gas ballast valve 44

7.6 Changing the operating fluid type 44

8 Decommissioning 45

8.1 Shutting down for longer periods 45

8.2 Recommissioning 45

9 Recycling and disposal 46

9.1 General disposal information 46

9.2 Dispose of rotary vane pump 46

10 Malfunctions 47

11 Service solutions by Pfeiffer Vacuum 49

12 Spare parts 51

12.1 Spare part packages 51

12.2 Maintenance kit 1 – maintenance level 1 51

12.3 Overhaul kit – Maintenance level 3 52

12.4 Coupling set for versions with magnetic coupling 52

12.5 Set of vanes 52

13 Accessories 53

13.1 Accessory information 53

13.2 Order accessories 53

14 Technical data and dimensions 55

14.1 General 55

14.2 Technical data 55

14.3 Dimensions 57

Declaration of conformity 59

Table of contents

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List of tables

Tbl. 1: Stickers on the product 9

Tbl. 2: Abbreviations used in this document 10

Tbl. 3: Limits of use of the product 16

Tbl. 4: Features of the rotary vane pumps 19

Tbl. 5: Recommended fuse ratings for on-site protection 27

Tbl. 6: Permissible voltage ranges for reversible single phase motor 27

Tbl. 7: Motor protection switch settings 30

Tbl. 8: Maintenance intervals 38

Tbl. 9: Troubleshooting for rotary vane pumps 48

Tbl. 10: Spare part packages 51

Tbl. 11: Content of maintenance kit 1 52

Tbl. 12: Accessories for Duo 20 M 54

Tbl. 13: Accessories for Duo 20 MC 54

Tbl. 14: Consumables 54

Tbl. 15: Conversion table: Pressure units 55

Tbl. 16: Conversion table: Units for gas throughput 55

Tbl. 17: Technical data, Duo 20 M 56

Tbl. 18: Technical data, Duo 20 MC 57

Tbl. 19: Dimensions 58

List of tables

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List of figures

Fig. 1: Position of the stickers on the product 9

Fig. 2: Structure of the rotary vane pump 18

Fig. 3: Rotary vane vacuum pump functional principle 18

Fig. 4: Transport vacuum pump 20

Fig. 5: Minimum distances and permissible inclination 22

Fig. 6: Vacuum connection with flange connection 23

Fig. 7: Exhaust connection with flange connection 24

Fig. 8: Fill operating fluid 25

Fig. 9: Motor circuit diagram, single phase motor 26

Fig. 10: Delta connection for low voltage 27

Fig. 11: Star circuit for high voltage 28

Fig. 12: Connection example with PTC thermistor tripping unit 29

Fig. 13: Gas ballast valve, standard version 33

Fig. 14: Gas ballast valve with flushing gas connection 33

Fig. 15: Fill operating fluid 34

Fig. 16: Draining the operating fluid 40

Fig. 17: Remove rotary vane pump cap 41

Fig. 18: Individual parts of the gas ballast valve 42

Fig. 19: Remove gas ballast valve 42

Fig. 20: Remove silencer nozzle 43

Fig. 21: Content of maintenance kit 1 – maintenance level 1 51

Fig. 22: Dimensions Duo 20 M / Duo 20 MC 57

List of figures

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1 About this manual

IMPORTANT

Read carefully before use.

Keep the manual for future consultation.

1.1 Validity

This operating instructions is a customer document of Pfeiffer Vacuum. The operating instructions de-

scribe the functions of the named product and provide the most important information for the safe use of

the device. The description is written in accordance with the valid directives. The information in this op-

erating instructions refers to the product's current development status. The document shall remain valid

provided that the customer does not make any changes to the product.

1.1.1 Applicable documents

Designation Document

Declaration of conformity A component of these operating instructions

1.1.2 Variants

These instructions apply to DuoLine vacuum pumps.

●Duo 20 M

●Duo 20 MC

1.2 Target group

These operating instructions are aimed at all persons performing the following activities on the product:

●Transportation

●Setup (Installation)

●Usage and operation

●Decommissioning

●Maintenance and cleaning

●Storage or disposal

The work described in this document is only permitted to be performed by persons with the appropriate

technical qualifications (expert personnel) or who have received the relevant training from Pfeiffer Vac-

uum.

1.3 Conventions

1.3.1 Instructions in the text

Usage instructions in the document follow a general structure that is complete in itself. The required ac-

tion is indicated by an individual step or multi-part action steps.

Individual action step

A horizontal, solid triangle indicates the only step in an action.

►This is an individual action step.

Sequence of multi-part action steps

The numerical list indicates an action with multiple necessary steps.

1. Step 1

2. Step 2

3. ...

1.3.2 Pictographs

Pictographs used in the document indicate useful information.

About this manual

7/60

Note

Tip

1.3.3 Stickers on the product

This section describes all the stickers on the product along with their meanings.

D-35641 Asslar

Mod.: DUO 20 M

Mod.-Nr.: PK D63 XXX

Ser.- Nr.: 1234567

S : max. 24 m /h

Oil : P3 1 l

Mass : 37 kg

n : XXXX 1/min

(N )

max.

Made in Germany 2020/09

VACUUM

Rating plate (example)

The rating plate is located on the front right side next to the sight glass

Motor rating plate (not shown)

Vor Inbetriebnahme Pumpe mit Öl

füllen

Fill the pump with oil before putting

into operation

Remplir la pompe d’huile avant la mise

en route

Sticker (red)

Fill rotary vane pump with operating fluid before commissioning

ACHTUNG!

Vor dem Einfüllen des Öles Drehrichtung der

Pumpe prüfen!

ATTENTION!

Before filling in the oil check direction of

rotation of the pump!

ATTENTION!

Avant remplir l’huile vérifier le sense de rotation

de la pompe!

Sticker (yellow) – three phase motor only

Attention! Check the direction of rotation of the rotary vane pump be-

fore filling with operating fluid.

Achtung!

nur mit F4 befüllen

Attention!

only F4 to be used

Sticker (orange) – special operating fluid only

Attention! Fill rotary vane pump with F4 only

Achtung!

nur mit D1 befüllen

Attention!

only D1 to be used

Sticker (blue) – special operating fluid only

Attention! Fill rotary vane pump with D1 only

Sense of rotation arrow (three phase motor only)

The direction of rotation arrow indicates the required motor sense of

rotation.

ACHTUNG

Die Pumpe ist mit einem spannungsumschaltbaren

Motor ausgerüstet und kann über einen Schalter

im Klemmenkasten umgeschaltet werden.

Bitte führen Sie die Umstellung nur gemäß

Betriebsanleitung durch.

ATTENTION

The pump ist equipped with a dual voltage motor

and is preset via switch in the terminal box.

Please refer to the operating instructions to

make a voltage change.

Sticker for single phase motor with voltage selection

Before commissioning, check voltage and change over at the terminal

box on the motor if needed.

About this manual

8/60

preset for

eingestellt auf

200-230 V / 50 Hz

200-240 V / 60 Hz

preset for

eingestellt auf

100-110 V / 50 Hz

100-120 V / 60 Hz

Sticker for pre-set motor voltage

Pre-set voltage (230 V or 115 V) of single phase motor with voltage se-

lection

Warning hot surface

This sticker warns of injuries caused by high temperatures as a result

of contact without protection during operation.

Tbl. 1: Stickers on the product

5–8

Fig. 1: Position of the stickers on the product

1 Sense of rotation sticker 6 Check direction of rotation note

2 Voltage selection sticker 7 Note F4 Operating fluid

3 Sticker for pre-set motor voltage 8 Note D1 Operating fluid

4 Rating plate 9 Warning hot surface

5 Fill oil note

About this manual

9/60

1.3.4 Abbreviations

Abbreviation Explanation

OI Operating instructions

C version Corrosive gas version

DN Nominal diameter (Diamètre nominal)

FCR Fluorinated rubber

INRated (nominal) current

Imax Maximum current

ISO Flange: Connector in accordance with ISO 1609 and ISO 2861

M version Version with magnetic coupling

PE Protective ground (protective earth)

ODK Operating fluid return line (oil drain kit)

PTC Temperature-dependent resistor (positive temperature coefficient)

M version Version with magnetic coupling

MC version Corrosive gas version with magnetic coupling

OME Oil mist filter (oil mist eliminator)

RSSR Radial shaft seal ring

WAF Wrench size

MM Maintenance manual

Tbl. 2: Abbreviations used in this document

About this manual

10/60

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